improver error handling

frontend/src/theme/layout.less

@@ -46,6 +46,10 @@ body {
   li span {
     font-size: @font-size-slider;
   }
+  .ant-menu-title-content{
+    text-align: left;
+    padding-left: 10px;
+  }
 }
 
 /* Inner layout (app-main) is a column flex that occupies the remaining width */
@@ -79,6 +83,7 @@ body {
   /* this makes the main content scrollable */
   background: @component-background;
   padding: 24px;
+  text-align: left;
 }
 
 /* Footer: fixed at bottom of app-main */